patch 8.2.2666: Vim9: not enough function arguments checked for string Commit: https://github.com/vim/vim/commit/c580943965fc9b006ec233bdee4ea5380f5594ea Author: Bram Moolenaar <Bram@vim.org> Date: Sat Mar 27 21:23:30 2021 +0100 patch 8.2.2666: Vim9: not enough function arguments checked for string Problem: Vim9: not enough function arguments checked for string. Solution: Check in ch_logfile(), char2nr() and others.

--- a/src/filepath.c
+++ b/src/filepath.c
@@ -788,9 +788,13 @@ f_chdir(typval_T *argvars, typval_T *ret
     rettv->vval.v_string = NULL;
 
     if (argvars[0].v_type != VAR_STRING)
+    {
 	// Returning an empty string means it failed.
 	// No error message, for historic reasons.
+	if (in_vim9script())
+	    (void) check_for_string_arg(argvars, 0);
 	return;
+    }
 
     // Return the current directory
     cwd = alloc(MAXPATHL);